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Effect of site-specific nutrient management on productivity, soil fertility and nutrient uptake in maize (Zea mays)
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A field experiment was conducted during the spring season of 2015 and 2016 at Crop Research Centre, Meerut, Uttar Pradesh, to study the effect of site-specific nutrient management (SSNM) on productivity, soil fertility and nutrient uptake of spring maize (Zea mays L.). Typic Ustochrept series soil of the experimental field was well-drained, sandy loam, slightly alkaline, low in soil organic carbon and available N, medium in available P, K and S with optimal DTPA-Zn and B content. Eleven treatments comprising 100% recommended dose of fertilizer (RDF) NP, 100% NPK (RDF), 100% NP (RDF) + 125% K, 100% NP (RDF) + 150% K, 125% NPK (RDF), 150% NPK (RDF), 100% NP (RDF) + 3 t/ha crop residue, 100% NP (RDF) + 5 t/ha FYM, 100% NP (RDF) + 3 t/ha sulphonated pressmud (SPM), site-specific nutrient management (SSNM) (+K) and SSNM (-K), were replicated thrice in randomized block design. The 2 years pooled experimental results revealed that, the maximum Kernel yield was observed with SSNM option which was significantly higher over the others. Maximum N, P, K, S, Zn and B uptake
The Indian Society of Agronomy
Title: Effect of site-specific nutrient management on productivity, soil fertility and nutrient uptake in maize (Zea mays)
Description:
A field experiment was conducted during the spring season of 2015 and 2016 at Crop Research Centre, Meerut, Uttar Pradesh, to study the effect of site-specific nutrient management (SSNM) on productivity, soil fertility and nutrient uptake of spring maize (Zea mays L.
).
Typic Ustochrept series soil of the experimental field was well-drained, sandy loam, slightly alkaline, low in soil organic carbon and available N, medium in available P, K and S with optimal DTPA-Zn and B content.
Eleven treatments comprising 100% recommended dose of fertilizer (RDF) NP, 100% NPK (RDF), 100% NP (RDF) + 125% K, 100% NP (RDF) + 150% K, 125% NPK (RDF), 150% NPK (RDF), 100% NP (RDF) + 3 t/ha crop residue, 100% NP (RDF) + 5 t/ha FYM, 100% NP (RDF) + 3 t/ha sulphonated pressmud (SPM), site-specific nutrient management (SSNM) (+K) and SSNM (-K), were replicated thrice in randomized block design.
The 2 years pooled experimental results revealed that, the maximum Kernel yield was observed with SSNM option which was significantly higher over the others.
Maximum N, P, K, S, Zn and B uptake.
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